Two In One Gas Detector Hydrogen Sulfide H2S Carbon Monoxide Gas Detector Toxic And Harmful Combustible Gas Detector Patio Swings 【 High-Quality Materials】This sunglasses are

【 High-Quality Materials】This sunglasses are made of high-quality resin lenses and a PC frame that is durable enough for long time using and easy to clean

Earplug * 100 pack

the ozone gas concentration reading will be displayed on the LCD

【Trapdoor technology is beautiful and practical】Secret door technology and anti-theft cabinet door with a label bar to use convenient and fast

Instrument + Battery + instruction manual + box

Two In One Gas Detector Hydrogen Sulfide H2S Carbon Monoxide Gas Detector Toxic And Harmful Combustible Gas Detector Patio Swings 【 High-Quality Materials】This sunglasses areShips FREE Handling Day: 1 3 Days, Arriving Day: 15 35 Days[SHORTDESCRIPTION] Packing List Gas tester * 1 Features High precision electrochemical sensorUsing electrochemical sensor, the reaction is sensitive, the measurement is accurate, and has good stability and repeatability. It can detect and alarm in time, not let go of any danger. Sound light vibration triple alarmUsing high decibel beep alarm, and flashing alarm double prompt can set the alarm